Alright, let's work through 7212 times 4020 step by step
7212 × 4020 = 4020 × (7212)
+ 4020 × 2 giving us 8040
+ 4020 × 10 what gives us 40200
+ 4020 × 200 producing 804000
+ 4020 × 7000 what gives us 28140000

= 28992240
